Yamaha MD4S Owner's Manual page 49

8
On the input channels to which you wish to
apply the effect, rotate the AUX control
toward the "1" position.
The signals from the input channels will be mixed
in monaural according to the position of each
AUX control, and will be sent via the AUX SEND 1
jack to the external effect processor.
9
Raise level control 5/6.
The effect sound from the external effect proces-
sor will be sent via LINE INPUT jacks 5 and 6 and
mixed into the ST bus.
0
When you have finished adjusting the mix
balance, recording level, and effect amount,
press the SONG SEARCH [
locate to the beginning of the song, and then
press the REC button and PLAY button to
start ping-pong recording.
] button to
49
Applying effects
—Owner's Manual